Fermium definition

Fermium





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3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  fermium \fermium\ n.
     the transuranic element of atomic number 100; symbol Fm. The
     atomic weight of the most stable isotope, having a half-life
     of about 80 days, is 257. The first isotope, Fm255 was
     discovered in 1952 in the debris of a thermonuclear
     explosion. Other istopes have been produced in nuclear


     reactors and by decay of other transuranic elements. --Handb.
     Ch. Phys. 61.
  
     Syn: Fm.
          [WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  fermium
       n : a radioactive transuranic metallic element produced by
           bombarding plutonium with neutrons [syn: {Fm}, {atomic
           number 100}]

From Elements database 20001107 [elements]:

  fermium
  Symbol: Fm
  Atomic number: 100
  Atomic weight: (253)
  Radioactive metallic transuranic element, belongs to the actinoids. Ten
  known isotopes, most stable is Fm-257 with a half-life of 10 days. First
  identified by Albert Ghiorso and associates in the debris of the first
  hydrogen-bomb explosion in 1952.
  
  

















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